WindowScope
WindowScope[name_String] _JSObject
reads out Javascript variable available from the global scope and returns it. This is pure WLJS function
It allows another way of WL JS communication
Example
Read JS variable
Firstly let us create it
cell 1
.js
window.variable = [0,1,2,3,4,5];
now read
FrontFetch[WindowScope["variable"]]